Home / 60,704.20-91,056.30-60,315.40

Finding the Fourth Proportional to 60,704.20, 91,056.30 and 60,315.40

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Solution

The fourth proportional to 60,704.20, 91,056.30 and 60,315.40 is: 90,473.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,704.20 : 91,056.30 = 60,315.40 : x
  2. Step 2: Convert to fraction form
    60,704.20/91,056.30 = 60,315.40/x
  3. Step 3: Cross multiply
    60,704.20x = 91,056.30 × 60,315.40
  4. Step 4: Simplify right side
    60,704.20x = 5,492,097,157.02
  5. Step 5: Solve for x
    x = 5,492,097,157.02/60,704.20
  6. Step 6: Final answer
    x = 90,473.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.